The stage is set for the Men’s U.S. Open semifinals with a massive American showdown between Ben Shelton and Frances Tiafoe. Neither leads Kalshi’s U.S. Open winner market. Alexander Zverev is first at 49%.
Shelton (36%) and Tiafoe (9%) have the second and third best prices on the board, respectively, ahead of Karen Khachanov. As for the head-to-head between Shelton and Tiafoe, Shelton is a massive 74% favorite. To win the US Open, a $10 trade profits $16.58 on Shelton and $94.44 on Tiafoe. For their semifinal match, a $10 trade profits $3.27 for Shelton and $24 for Tiafoe.